Good 4 Bits Digital LED Clock Display. If you use this display with the TM1637 you only need 2 pins from the Arduino, for a display without TM1637 you need 12 pins. It is a clock display with a colon, no digital points.
Good 4 Bits Digital LED Clock Display. If you use this display with the TM1637 you only need 2 pins from the Arduino, for a display without TM1637 you need 12 pins. It is a clock display with a colon, no digital points.